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* Do not try to recreate the path of a preloaded module if a full path has been

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passed in by the boot loader.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27686 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2008-09-22 09:13:30 +00:00
parent 18ee966f0a
commit 8c8b846226
1 changed files with 22 additions and 13 deletions
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35
src/system/kernel/module.cpp
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@ -1085,25 +1085,32 @@ register_preloaded_module_image(struct preloaded_image* image)
image->is_module = true;
if (moduleImage->info[0] == NULL) {
status = B_BAD_DATA;
goto error;
}
moduleImage->dependencies = NULL;
get_image_symbol(image->id, "module_dependencies", B_SYMBOL_TYPE_DATA,
(void**)&moduleImage->dependencies);
// this is allowed to be NULL
// Try to recreate the full module path, so that we don't try to load the
// image again when asked for a module it does not export (would only be
// problematic if it had got replaced and the new file actually exports
// that module). Also helpful for recurse_directory().
{
// ToDo: this is kind of a hack to have the full path in the hash
if (image->name[0] != '/') {
// Try to recreate the full module path, so that we don't try to load
// the image again when asked for a module it does not export (would
// only be problematic if it had got replaced and the new file actually
// exports that module). Also helpful for recurse_directory().
// TODO: check if there is a situation (like floppy/network boot) where
// relative paths are still passed in.
// TODO: this is kind of a hack to have the full path in the hash
// (it always assumes the preloaded add-ons to be in the system
// directory)
char path[B_FILE_NAME_LENGTH];
const char* suffix;
const char* name;
if (moduleImage->info[0]
&& (suffix = strstr(name = moduleImage->info[0]->name,
image->name)) != NULL) {
const char* name = moduleImage->info[0]->name;
const char* suffix = strstr(name, image->name);
if (suffix != NULL) {
char path[B_FILE_NAME_LENGTH];
// even if strlcpy() is used here, it's by no means safe
// against buffer overflows
KPath addonsKernelPath;
@ -1133,7 +1140,9 @@ register_preloaded_module_image(struct preloaded_image* image)
}
} else
moduleImage->path = strdup(image->name);
}
} else
moduleImage->path = strdup(image->name);
if (moduleImage->path == NULL) {
status = B_NO_MEMORY;
goto error;